Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 594 · 40 sums

The trick (Ekanyunena Purvena): Write the number with as many digits as there are nines (add zeros in front if needed). Left part: the number minus 1. Right part: “all from 9 and the last from 10” of the number. More digits than the nines (237 × 99)? Split off as many digits as there are nines (2 | 37): left = number − (front part + 1) = 234, right = complement of 37 = 63 → 23463.

1. 1.5 × 9 =
2. 2.56 × 99 =
3. 3.14955 × 999 =
4. 4.57 × 99 =
5. 5.2631 × 99 =
6. 6.4 × 9 =
7. 7.16 × 99 =
8. 8.74 × 99 =
9. 9.2 × 9 =
10. 10.276 × 999 =
11. 11.3 × 9 =
12. 12.11 × 99 =
13. 13.2 × 9 =
14. 14.63 × 99 =
15. 15.11573 × 999 =
16. 16.17963 × 999 =
17. 17.57 × 99 =
18. 18.3 × 9 =
19. 19.126 × 9 =
20. 20.22 × 99 =
21. 21.2 × 9 =
22. 22.41 × 99 =
23. 23.2 × 9 =
24. 24.16 × 99 =
25. 25.8 × 9 =
26. 26.5 × 9 =
27. 27.69 × 999 =
28. 28.75 × 9 =
29. 29.4 × 9 =
30. 30.522 × 999 =
31. 31.2184 × 99 =
32. 32.4 × 9 =
33. 33.1561 × 99 =
34. 34.222 × 9 =
35. 35.8 × 9 =
36. 36.2 × 9 =
37. 37.11 × 99 =
38. 38.2 × 9 =
39. 39.7 × 9 =
40. 40.57 × 99 =

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